Coby NBPC1023 User Manual - Page 23

Problem, Solution, Display, Keyboard, Sleep/Hibernation Mode, you enter a letter. - ac adapter

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English Troubleshooting Problem Solution Display Computer does not turn on. If using AC power, check that the AC adapter is securely connected to the computer and the power cord is plugged into a working electrical outlet. If using battery power, check that the battery is charged. Computer turns on, but Confirm that the screen brightness level is not at its minimum there is no screen image. setting. (To increase brightness, press Fn +F7.) If using battery power, check that the battery is installed correctly. If using AC power, check that the AC adapter is connected to the computer and the power cord is plugged into a working electrical outlet. Screen goes blank while Screen saver may be enabled; touch the touchpad or any key to the computer is on. exit screen saver mode. If power management is enabled, the computer may have entered sleep mode. Press the power button to exit sleep mode. Keyboard A number appears when The numeric lock function is enabled. To disable it, press Fn + you enter a letter. Insert. All or some of the keys on the external numeric keypad do not work. Make sure that the external numeric keypad is securely connected to the computer. Sleep/Hibernation Mode The computer enters sleep Check that the battery is charged. mode unexpectedly. www.cobyusa.com Page 23

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www.cobyusa.com
Page 23
English
Problem
Solution
Display
Computer does not turn on.
If using AC power, check that the AC adapter is securely con
-
nected to the computer and the power cord is plugged into a
working electrical outlet.
If using battery power, check that the battery is charged.
Computer turns on, but
there is no screen image.
Confirm that the screen brightness level is not at its minimum
setting. (To increase brightness, press Fn +F7.)
If using battery power, check that the battery is installed
correctly.
If using AC power, check that the AC adapter is connected to
the computer and the power cord is plugged into a working
electrical outlet.
Screen goes blank while
the computer is on.
Screen saver may be enabled; touch the touchpad or any key to
exit screen saver mode.
If power management is enabled, the computer may have en
-
tered sleep mode. Press the power button to exit sleep mode.
Keyboard
A number appears when
you enter a letter.
The numeric lock function is enabled. To disable it, press Fn +
Insert.
All or some of the keys
on the external numeric
keypad do not work.
Make sure that the external numeric keypad is securely con
-
nected to the computer.
Sleep/Hibernation Mode
The computer enters sleep
mode unexpectedly.
Check that the battery is charged.
Troubleshooting